<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation

Viruses

A sub-microscopic particle that can infect living cells; viruses are not considered living organisms.

Atoms Practice
%
Progress
Practice
Progress
%
Practice Now
Turn In
Viruses Practice
By CK-12
SCI.BIO.223.1
Please wait...
Please wait...